At a women-only aesthetic salon, lewd treatments unfold one after another. One by one, straight women are drawn into the lesbian world. Why do they change so completely? At the salon, special treatments target women's uniquely sensitive spots, pushing them to the point of no return until they splash uncontrollably. This erotic space captures the deepening intimacy between women. "Um... is this also part of the treatment...?" As these words are whispered, the strange, sensual world spreads wider.